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NEET Principle of Inheritance and Variation Important Questions

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NEET Important Questions Principle of Inheritance and Variation

The students who are targeting NEET Exam should prepare for all the important chapters of NEET syllabus to secure highest marks in NEET 2025. The important questions for NEET 2025 designed by Vedantu is one of the most reliable study materials as it covers all the important chapters which are in the syllabus. Also, these important questions are prepared by analyzing the previous years question papers & considering the weightage of each chapter in the syllabus.


Find all the NEET Biology important questions from the Chapter Principle of Inheritance and Variation with solutions to perform better in the Exam here. These important questions are prepared by our academic experts based on the syllabus guidelines prescribed by MCI.


Download the NEET Biology - Principle of Inheritance and Variation important questions PDF for free to score better.

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NEET Principle of Inheritance and Variation Important Questions

The National Eligibility cum Entrance Test (NEET) has been conducted every year ever since 2013.  Students practise the NEET Question Paper with answer keys provided, helping them in their preparations for Exams. 


The Principal of Inheritance and Variation is a biology chapter that is an important topic for students preparing for the NEET Exam. It is a class 12th biology chapter. 


Students who are going to appear for NEET should show equal importance to all of their chapters and topics. Vedantu subject experts or tutors prepare Important topics question papers every year for students to cross check their syllabus and make sure they are not missing out on any important part. The syllabus before the Exam is always put up by the NEET official websites for the students to know what topic is being added and which topic is being removed so accordingly they can prepare for the Exam and while solving question papers and sample papers the topics not included for that year can be ignored. 


Till now The principles of Inheritance and Variations have not had any changes and the topic comes as it is, so students are required to kindly go through the important topics mentioned from this biology chapter. 


Topics Covered Under the Principles of Inheritance and Variations 

  • Mendel's Laws of Inheritance

  • Incomplete Dominance

  • Chromosomal Theory of Inheritance

  • Sex Determination

  • Mutation and Chromosomal disorders 

  • Genetic-Disorders 

  • Linkage and recombination 

 

How to Study for NEET Biology- The Principles of Inheritance and Variations. 

  1. When you start preparing a chapter, start making notes so it becomes easier to have access to them when you are revising. 

  2. Keep sticky notes so you know which topic is exactly on what page. This way you won't have to keep turning pages looking for a particular topic. 

  3. Study in a peaceful environment, away from all sorts of chaos and annoyance so this way your concentration is completely on your books and not anywhere else. 

  4. Keep your phone and other electronic gadgets away so you are not distracted every 10 mins to look at what is new in your notifications. 

  5. Make a separate note for important points to remember so you can catch up on those topics once again before main Exams. 

Inheritance is defined as the process of transmission of genes from parents to the offspring. Similarly it is in plants as they give birth to similar plants. Gregor Mendel explained The principles of Inheritance and Variation in his experiments on a pea plant. As per his observations with the pea plant:


  • Law of Dominance

  • Law of Segregation

  • Law of Independent Assortment


What are The Two kinds of Genetic Disorders 

There are many kinds of genetic disorders which are either inherited or else it occurs due to mutation, two kinds of genetic disorders are 


  1. Mendelian disorders
    This order is due to alteration in a single gene 

  2. Chromosomal disorders
    This is due to abnormal arrangement of chromosomes


NEET Biology Important Questions - Chapter Pages


FAQs on NEET Principle of Inheritance and Variation Important Questions

1. What are the topics covered under The Principles of Inheritance and Variations?

The topics covered under The Principles of Inheritance and Variations are-     

  • Mendel's Laws of Inheritance

  • Incomplete Dominance

  • Chromosomal Theory of Inheritance

  • Sex Determination

  • Mutation and Chromosomal disorders 

  • Genetic-Disorders 

  • Linkage and recombination 

2. What are Chromosomes and who discovered Chromosomes?

Chromosomes are thread-like structures present within the nucleus of a cell. Human Beings have 23 pairs of chromosomes. Carl Wilhelm von Nageli was a swiss botanist who discovered chromosomes while conducting an experiment on his pea plant. 

3. What determines the Sex of a baby?

The sex of the baby is determined by the sperm. So, the father is the determining factor in the sex of the baby as male have one X and one Y chromosome whereas the female has two X chromosomes. X X makes a female baby and XY makes a male baby. 

4. What is meant by Mutation?

Mutation is an alteration in the DNA, and these mutations are results of errors in DNA or copying mistakes during cell division. Mutations can cause harmful diseases but not all mutations are harmful.

5. What is meant by Linkage and Recombination?

Linkage happens when co-inheritance between two DNA are close to each other. Recombination is the condition by which they become separated during crossing over.